<?php

namespace app\admin\controller\cms;

use app\admin\model\cms\GrapevineModel;
use app\api\service\CaiJingService;
use app\common\controller\Backend;
use think\Db;
use think\exception\DbException;
use think\exception\PDOException;
use think\exception\ValidateException;
use think\response\Json;

/**
 * 小道消息
 *
 * @icon fa fa-circle-o
 */
class Grapevine extends Backend
{

    /**
     * GrapevineModel模型对象
     * @var \app\admin\model\cms\GrapevineModel
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\cms\GrapevineModel;
        $this->view->assign("isShowList", $this->model->getIsShowList());

        $this->view->assign("statusList", $this->model->getStatusList());
    }


    /**
     * 查看
     *
     * @return string|Json
     * @throws \think\Exception
     * @throws DbException
     */
    public function index()
    {
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if (false === $this->request->isAjax()) {
            return $this->view->fetch();
        }
        //如果发送的来源是 Selectpage，则转发到 Selectpage
        if ($this->request->request('keyField')) {
            return $this->selectpage();
        }
        [$where, $sort, $order, $offset, $limit] = $this->buildparams();
        $list = $this->model
            ->where($where)
            ->order('weigh','desc')
//            ->order($sort, $order)
            ->order('id', 'desc')
            ->paginate($limit);
        $result = ['total' => $list->total(), 'rows' => $list->items()];
        return json($result);
    }

    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */

    /**
     * 添加
     *
     * @return string
     * @throws \think\Exception
     */
    public function add()
    {
        if (false === $this->request->isPost()) {
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }
        if ($params['form_url']){
            /*
            $checkUrl = $this->checkUrl($params['form_url']);//根据url抓取文章
            if ($checkUrl['code'] == 200){
//                $params['title'] = $checkUrl['title'];
                $params['content'] = $checkUrl['content'];
                $params['status'] = 1;
            }else{
                $params['status'] = 2;
            }
            */
        }
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }
            $result = $this->model->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }

    /**
     * 编辑
     *
     * @param $ids
     * @return string
     * @throws DbException
     * @throws \think\Exception
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }
        if (false === $this->request->isPost()) {
            $this->view->assign('row', $row);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                $row->validateFailException()->validate($validate);
            }

            if ($row['form_url'] != $params['form_url'] && $params['form_url']){
                $checkUrl = $this->checkUrl($params['form_url']);//根据url抓取文章
                if ($checkUrl['code'] == 200){
                    $params['content'] = $checkUrl['content'];
                    $params['status'] = 1;
                    $params['remark'] = null;
                    $params['failure_count'] = 0;
                }else{
                    $params['status'] = 2;
                    $params['remark'] = '抓取失败';
                }
            }
            $result = $row->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success();
    }

    //抓取文章
    public function add_form_url(){
        if ($this->request->isAjax()){ //表单提交
            $params = $this->request->param('row/a');//获取参数
            if (empty($params['word'])){
                $this->error('缺少关键词');
            }
            if (empty($params['page']) || $params['page'] <= 0){
                $this->error('页码最小值为1');
            }
            if (!empty($params['limit']) && $params['limit'] > 100){
                $this->error('最大抓取条数最大值为100');
            }

            //抓取数据
            $res = (new CaiJingService())->getList($params['word'],(int)$params['page'],(int)$params['limit']);
            if (!$res['code']){
                $this->error($res['msg']);
            }else{
                $data = $res['data']['newslist'];
                $data_count = count($data);
                $arr = [];
                $time = time();
                foreach($data as $v){
                    $arr[] = [
                      'title'=>$v['title'],
                      'form_url'=>$v['url'],
                      'other_content'=>json_encode($v, JSON_UNESCAPED_UNICODE),//其他数据JSON
                      'status'=>'1',
                      'createtime'=>$time,
                    ];
                }

                $success = GrapevineModel::insertAll($arr);
                $msg = "当前页{$res['data']['curpage']},成功抓取结果数量{$data_count}条";
            }

            //do something
            $this->success($msg);
        }
        //显示模板
        return $this->view->fetch();
    }

}
